package com.kaifamiao.N0728;

public class Node2 {

    public static void main(String[] args) {
        Sub sub = new Sub();
        Sub sup = new Sub();

        Sup sup1 = new Sub();

        System.out.println(sup1.a);
        System.out.println(sup1.b);
        sup1.instanceMethod ();
        sup1.staticMethod();
    }
}
